See also:

Remote vehicle locking
If you forget to lock your vehicle but are no longer in the vicinity of the vehicle, it can be locked for you by the Mercedes-Benz Customer Assistance Center. The vehicle can be locked remotely ...

Important safety notes
WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle, ...

Call disconnection while the vehicle is in motion
A call may be disconnected if: • there is insufficient network coverage in certain areas. • you move from one transmitter/receiver area (cell) into another and no channels are free. • you u ...